".py");
Document doc = new Document(str);
PySelection ps = new PySelection(doc, line, col);
RefactoringRequest request = new RefactoringRequest(null, ps, natureToAdd);
request.moduleName = modName;
final SimpleNode ast = request.getAST();
FileUtils.writeStrToFile(str, f);
addModuleToNature(ast, modName, natureToAdd, f);
return request;